The 29-year-old Jaffe had a goal and an assist in 21 games with the Panthers last season. He has 21 goals and 23 assists over parts of seven seasons with the Phoenix Coyotes (2002-04, 2005, 2006-07), New York Rangers (2005), Pittsburgh Penguins (2007-09) and Florida (2009-10).
Reasoner was slated to earn $1.2 million in 2010-11, according to the players' union. He leaves without playing a game for Chicago.
Information from The Associated Press was used in this report.